Blue John

Chalcedony

Blue John Vs Chalcedony

Blue John

Chalcedony

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Astrology

Origin

Zimbabwe

Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Violet, White, gray, Blue, Brown, Black

Streak

White

For which Rashi?

Cancer, Sagittarius

Planet

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Goddess Whope

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Soluble

Durability

Specific Gravity

3.00-3.252.55-2.70

1 7.18

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Fracture

Uneven, Splintery, Conchoidal

Cleavage

Perfect

Absent

Mohs Hardness

-99996.5-7

2 10

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Chemical Composition

CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO₂

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Translucent, Translucent to opaque

Refractive Index

1.432-1.4361.530-1.543

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

-99990.003-0.009

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Harmony

Healing

Emotional healing

Qualities Associated

Mental Clarity

Harmony

Blue John Vs Chalcedony Fracture

Fracture is an important parameter when you compare Blue John and Chalcedony Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Chalcedony fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Chalcedony fracture is Uneven, Splintery and Conchoidal.

Compare Blue Gemstones

Blue John Vs Ceylonite

Blue John Vs Chrome-Chalcedony

Blue John Vs Chrome Tourmaline

Blue John Vs Chalcedony Luster

A primary knowledge about Blue John vs Chalcedony luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Chalcedony, on other hand, exhibits Vitreous luster.